Relationship of Sanitation Parameters with Microbial Diversity and Load in Raw Meat from the Outlets of the Metropolitan City Biratnagar, Nepal
Table 7
The chi-square test of different microbial isolates of chicken against several sanitation parameters.
S. No.
Isolates
Outlets tiled/cemented
Slaughterhouse wash
Apron wash
Chop box Wash
Showcase
Water supply area
Drainage
Meat sanitation
χ2
χ2
χ2
χ2
χ2
χ2
χ2
χ2
1
Pseudomonas spp.
4.912
0.027
0.607b
0.807
0.369
0.698b
8.021
0.005
6.320
0.012
0.067
0.796
8.12
0.004
2
E. coli
8.64
0.003
0.278b
0.477
0.686
3.259
0.071
12.61
≤0.001
1.778
0.182
8.64
0.003
3
Staphylococcus aureus
0.1
0.752
0.331b
0.807
0.369
1b
8.386
0.004
0.474
0.491
2.824
0.093
2.506
0.113
4
Staphylococcus epidermidis
1.667
0.197
0.638b
1a
0.69b
4.310
0.038
6.155
0.013
0.069
0.792
≤0.001
1
5
Salmonella spp.
8.286
0.004
0.624b
0.005
0.944
0.25b
2.283
0.131
1.319
0.251
2.063
0.151
0.921
0.337
6
Vibrio spp.
0.487b
0.008c
0.515b
0.364b
1b
0.174b
1b
1b
7
Mucor
0.003b
1b
0.677
0.173
0.110
0.053b
1b
0.235b
8
Penicillium spp.
8.533
0.008
1b
0.231
1a
0.464
1a
0.556
0.0
1
9
Aspergillus spp.
0.487b
1c
0.085b
1b
0.492b
0.174b
0.154b
0.487b
10
Sporotrichum spp.
0.231b
1c
0.022b
1b
0.083b
0.069b
1b
0.231b
11
Alternaria spp.
0.487b
1c
0.085b
1b
0.492b
0.499b
0.508b
0.487b
12
Candida spp.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
13
Trichosporon spp.
1b
0.013b
0.410b
1a
1b
0.432b
0.681b
1b
χ2 value denotes the Pearson chi-square value with degree of freedom (df) = 1. a25%, b50%, and c75% of cells have expected count less than 5, respectively. ∗Tested by Fisher’s exact test with the level of significance at .